The 20th century BC is a century which lasted from the year 2000 BC to 1901 BC.

Events

The pyramid ruin of Amenemhet I at Lisht. He was the founder of the Twelfth Dynasty of Egypt

• 2000 BC ? Arrival of the ancestors of the Latins in Italy.
• 2000 BC ? Town of Mantua is presumably founded.
• 2000 BC ? Stonehenge is believed to have been completed.
• 2000 BC ? Farmers and herders travel south from Ethiopia and settle in Kenya.
• 2000 BC ? Horses are tamed and used for transport.
• c. 2000 BC ? First of the Minoan palaces on Crete.
• c. 2000 BC ? Decline of Harappan civilization starts.
• c. 2000 BC ? Bronze Age starts in north Ancient China.
• 2040?1556 BC ? Xia Dynasty in China, Olmec civilization (Mesoamerica).
• 2064?1986 BC ? Twin Dynasty wars in Egypt.
• 1991 BC ? Egypt: Pharaoh Mentuhotep IV died. End of Eleventh Dynasty. Pharaoh Amenemhat I started to rule. Start of Twelfth Dynasty.
• c. 1985 BC?1795 BC ? Rock-cut tombs at Beni Hasan were made. Twelfth Dynasty.
• c. 1985 BC?1795 BC ? "Hippopotamus", from the tomb of Senbi (governor) (Tomb B.3) at Meir was made. Twelfth Dynasty. It is now in the Metropolitan Museum of Art, New York.
• 1953 BC, February 27 ? A very close alignment of the naked-eye planets takes place in which these planets are together in a span of 4.3 degrees.
• 1942 (+/-10) BC ? The so-called king of Leubingen (today part of Sömmerda) is buried in a large barrow within a 66 foot wide stone cairn inside a ring ditch.
• 1932 BC ? Amorite conquest of Ur.
• c. 1928?1895 BC ? "Harvest scene", tempera fascimile by Nina de Garis Davies of wall painting in the tomb of Khnumhotep, Beni Hasan. Twelfth Dynasty.
• 1913?1903 BC ? Egyptian-Nubian war.

Births

• 1973 BC ? Reu, son of Peleg, according to the Hebrew Calendar
• 1941 BC ? Serug, son of Reu, according to the Hebrew Calendar
• 1911 BC ? Nahor, son of Serug, according to the Hebrew Calendar

Inventions, discoveries, introductions

• 2000 BC ? First written accounts of Schizophrenia
• 1950 BC ? The copper bar cubit of Nippur defines the Sumerian cubit as 51.72 cm

In Fiction

• See Stonehenge (novel)

Decades and years

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